Geoffrey Wenger

Email Geoffrey at geoff@jenisystems.com

Geoffrey has decades of hands-on work across IT, software development, and cybersecurity, and he brings clear, technical insight to every article. His experience includes building and maintaining secure networks, writing and reviewing production code, hardening endpoints, and responding to real incidents. He has led projects that span Microsoft 365 and Google Workspace administration, identity and access control, and cloud adoption with a focus on reliability and risk reduction. He holds two bachelor’s degrees in IT, a business degree, and a master’s in Cybersecurity and Information Assurance. His writing turns complex systems into actionable steps that help readers fix issues fast and strengthen security over time.

Articles published:

Browser fingerprinting scene showing a laptop and mobile devices with biometric, audio, graphics, and data signals representing online tracking without cookies.

Browser Fingerprinting: How Websites Identify You Without Cookies

Most people know cookies can follow them around the web, but blocking them does not make a[…]

Personal data tracking and online privacy exposure across devices, accounts, locations, shopping, email, and digital identity activity

Protect Personal Data From Tracking Apps and Data Broker Exposure

Your personal data travels farther than you might think. Apps, websites, advertisers, data brokers, connected devices, and[…]

PC and Mac cleaner privacy risks with telemetry, background bloat, warning panels, system drain, and secure maintenance controls

Cheap PC/Mac Cleaners Create More Problems Than They Fix

That $3-a-month cleaner might feel like a smart buy. Clean system, low price, no hassle. But behind[…]

Safe app and browser extension security checks before installation

How to Check Risky Apps and Browser Extensions Before You Install

Apps and browser extensions can make computing easier, but a bad one can create privacy, security, and[…]

JENI privacy focused PC and Mac repair software with local system maintenance and no app store tracking

Why JENI Avoids App Stores For Privacy And Full PC And Mac Repair

JENI is built for people who want stronger privacy, cleaner systems, and repair tools that actually reach[…]

Computer optimizer app showing system cleanup, telemetry, data collection, and privacy risks

Computer Optimizer Apps: Privacy, Security, and Performance Risks

When a computer starts slowing down or acting weird, grabbing an optimizer can feel like the obvious[…]

Temu data privacy lawsuit and mobile app security risks with user tracking and legal scrutiny

Temu Lawsuit Exposes App Privacy Risks And Data Harvesting Claims

Arizona's lawsuit against the shopping app Temu alleges covert data harvesting, malware-like behavior, and deceptive practices. Investigators[…]